Japanese Kanji
皁sou
black · police runners (from the black clothes formerly worn by them)
Extended kanji · 7 strokes
Black, police runners (from the black clothes formerly worn by them).
皁 is a Extended kanji — used in Japanese names and specialised writing. With 7 strokes, it appears in classical literature, place names, and formal documents.
Start with hiragana and katakana — the foundation of Japanese reading.